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Windows Server 2012 R2 Jump Start - Networking
Day 1
Introducing Windows Server 2012 R2
Server Virtualization in Windows Server 2012 R2
Cloud Optimized Networking in Windows Server 2012 R2
Storage in Windows Server 2012 R2
Day 2
Server Management & Automation with Windows Server 2012
R2
VDI with Windows Server 2012 R2
Access & Information Protection with Windows Server 2012 R2
Web Application & Platform with Windows Server 2012 R2
Cloud Optimized Networking in Windows Server 2012 R2
DOWNLOAD
Windows Server
2012 R2 Preview
aka.ms/ws2012r2
#WS2012R2JS
DOWNLOAD
System Center
2012 R2 Preview
aka.ms/sc2012r2
Hands-On Labs
http://www.microsoftvirtualacademy.com
System Center 2012 R2 Jumpstart
July 15th - http://aka.ms/SCR2JS
Advancing
Software Defined
Networking
Simplifying
Datacenter
Network
management
Improving
Network
Performance
Delivering
Continuously
Available
Applications
4
Networking in the
Hybrid Cloud
5
Delivering Continuously Available Applications
Advancing Software Defined Networking
Hyper-V Extensible
Switch
Hyper-V Network
Virtualization
DHCP FailoverSMB Multichannel
Quality of Service
Simplifying Datacenter
Network Management
IP Address
Management (IPAM)
Remote Live capture
Network Management
using Virtual Machine
Manager
Network Monitoring
using
Operations Manager
Microsoft Windows
PowerShell
Networking in the
Hybrid Cloud
Extending to Azure
Extending to Service
Providers
Cross premise
connectivity
Improving Network
Performance
vRSS
Single Root I/O
Virtualization (SR-IOV)
NIC Teaming
SMB Direct (RDMA)
Dynamic VMQ
Inbox HNV Gateway
Virtual Machine
Manager
Enhancements
Open, Extensible and Standards based
Built-in and production ready
Innovation in software and hardware
Hyper-V Network
Virtualization
Hyper-V
Extensible Switch
6
Inbox Gateway
Management
with System
Center Virtual
Machine
Manager
7
BACKGROUND
• Network virtualization lags behind compute and storage
• Administration within the data center may be soiled
THE CHALLENGES
• Physical network configuration is not flexible
• Workloads tied to underlying hardware configurations
• Configuration changes are manual and cumbersome
• Diverse network infrastructure requires vendor-specific
management and control
• Greater VM mobility and density difficult to achieve
VLAN tags
Aggregation
Switches
VMs
ToRToR
8
Enables
software to
dynamically
manage the
network by:
Enabling integrated policies that span physical and virtual
networks
Abstracting workloads from the physical network
Controlling datacenter traffic flow
Host NIC
9
Hyper-V Extensible Switch architecture
• Extends virtual switch functionality by adding
switch extensions
• Provides open platform supporting third-party
plug-ins to add functionality
• Lets customers manage virtual network the
same way they would manage a physical
network
• Helps monitor the security of virtual machine
to virtual machine traffic
• Provides unified management and
enforcement of plug-ins with Virtual Machine
Manager across entire datacenter
• Includes NDIS filter drivers, WFP callout
drivers, Ingress filtering, Destination lookup
and forwarding and Egress filtering extensions
Parent Partition
Extension C
Extension D
Extension A
Extension Miniport
Extension Protocol
Virtual Switch
Capture Extensions
Filtering Extensions
Forwarding Extension
VM NIC VM NIC
Virtual Machine Virtual Machine
Physical NIC
Host NIC
10
Hyper-V Extensible Switch architecture
Parent Partition
Extension C
Extension D
Extension A
Extension Miniport
Extension Protocol
Virtual Switch
Capture Extensions
Filtering Extensions
Forwarding Extension
VM NIC VM NIC
Virtual Machine Virtual Machine
Physical NIC
Key Features
• Extension monitoring & uniqueness
• Extensions that learn VM life cycle
• Extensions that can veto state changes
• Multiple extensions on same switch
Several Partner Solutions Available
• Cisco – Nexus 1000V & UCS-VMFEX
• NEC – ProgrammableFlow PF1000
• 5nine – Security Manager
• InMon - SFlow
Build Extensions for
Capturing, Filtering &
Forwarding
How network virtualization works
• Overlays multiple virtual networks on
shared physical network
• Uses industry standard General Routing
Encapsulation (NVGRE) protocol
Problems solved
• Creates VM mobility across
datacenter, hoster cloud or Azure
without network constraints
• Provides ability to import customer IP
addresses and network topology
• Helps remove VLAN constraints
• Helps eliminate hierarchical IP address
assignment for virtual machines
11
Physical server Physical network
Blue virtual
machine
Yellow virtual
machine Blue network Yellow network
• Tenants with overlapping IP Address
range share same physical network
• Policies enforced at host level using
PowerShell or System Center Virtual
Machine Manager
• DHCP servers can be part of
virtualized network to enable locally
assigned IP addresses
• Supports guest clustering
SQL Server Web
Orange sees
SQL Server Web
Blue sees
SQL Server SQL Server Web Web
192.168.2.12192.168.1.10
10.1.1.1 192.168.1.10
10.1.1.2 192.168.2.12
What’s really happening
192.168.n.n
PROVIDER ADDRESS SPACE (PA)
10.1.1.1 192.168.1.10
10.1.1.2 192.168.2.12
10.1.1.210.1.1.1
10.1.1.1 10.1.1.2
CUSTOMER ADDRESS SPACE
10.1.1.1 192.168.1.10
10.1.1.2 192.168.2.12
10.1.1.1 192.168.1.10
10.1.1.2 192.168.2.12
10.1.1.1 192.168.1.10
10.1.1.2 192.168.2.12
10.1.1.1 192.168.1.10
10.1.1.2 192.168.2.12
10.1.1.1 10.1.1.2
10.1.1.1 10.1.1.2
12
IP Virtualization
Policy Enforcement
Routing
Hyper-V Switch
VSID ACL Enforcement
Network Virtualization Packet Flow
Blue1 sending to Blue2
Network Virtualization
ARP TABLE
34:29:af:c7:d9:1210.10.10.11 34:29:af:c7:d9:12
IP Virtualization
Policy Enforcement
Routing
Hyper-V Switch
VSID ACL Enforcement
Network Virtualization
IP Virtualization
Policy Enforcement
Routing
Hyper-V Switch
VSID ACL Enforcement
Network Virtualization
IP Virtualization
Policy Enforcement
Routing
Hyper-V Switch
VSID ACL Enforcement
Network Virtualization
Network Virtualization Packet Flow
Blue1 sending to Blue2
MACB1 -> MACB2 10.10.10.10 -> 10.10.10.11
5001 MACB1 -> MACB2 10.10.10.10 -> 10.10.10.11
MACP1 ->
MACP2
192.168.2.10 ->
192.168.5.12
5001
MACB1 ->
MACB2
10.10.10.10 ->
10.10.10.11
Challenges
• Hoster wants to provide isolated networks for tenant
VMs with integral S2S VPN and NAT
• Enterprises have virtualized networks split across
different datacenters or virtualized networks (NVGRE
aware) communicating to physical networks (NVGRE
unaware)
Solution
• Multi-tenant VPN gateway in Windows Server 2012 R2
Preview
• Integral multitenant edge gateway for seamless
connectivity
• Guest clustering for high availability
• BGP for dynamic routes update
• Encaps/Decaps NVGRE packets
• Multitenant aware NAT for Internet access
Host Datacenter
Network Virtualization Fabric
HostHost
Internet
FabrikamContoso
Multi-tenant VPN
Gateway
Bridge Between VM Networks
& Physical Networks
16
What it means:
• Provides ability to control physical network hardware
directly from applications
• Enforces routing policies on the fly
• Requires programmable hardware that uses a standard
protocol like OpenFlow, Cisco OnePK and so on.
Challenges:
• Adds complexity to the application
• Creates challenges in heterogeneous environment
Is it production ready?
• Applicable to certain classes of applications like
Microsoft Lync, Network diagnostic tools, high fidelity
video games
• Most Line of Business applications and workloads may
not need this level of control
Aggregation
Switches
ToRToR
VM VM
Application Application
Challenges
Manage a large number of physical and virtual switches
Integrate management of physical and virtual networks
Solution
Logical Network
Organizes and simplifies network assignments for
hosts, virtual machines and services
Integrated physical and virtual switch VLAN policy
VM Network
Creation/deletion of isolated virtual network overlay
(HNV) on physical network
Challenges
Allow seamless migration of VM while maintaining network
policy
Solution
Logical Switch
Single logical entity spanning hosts
Consistent policy and configuration
Management of Hyper-V Extensible Switch
Installation and configuration of switch extensions
Configuration of network policies
Network policies automatically move with the VM
Includes 3rd party extensions
Communicating using
WS-MAN
OMI OMI OMI
How switch management works
Standards-based CIM model
Switches running Open Management
Infrastructure (OMI)
Switch Management PowerShell
Cmdlets
Problems solved
Common management interface
across multiple network vendors
Automate common network
management tasks
Logo Program enables customers to
find/buy switches that “just work”
OMI-based
top-of-rack switch
Hyper-V switch
extensions
Chipset
extensions
Gateway appliances
• Migrate workloads
seamlessly across
clouds
• Preserve
policies, VM
settings, and IP
addresses
• Move from test to
production with
minimal network
configuration
• Reduce Opex related
to networking
• Simplify datacenter
consolidation and
mergers and
acquisitions
• Extend datacenter
into hybrid cloud
environment without
specialized
networking gear
• Enables customers
to bring their own IP
addresses and DHCP
servers
• Realize scalable
multi-tenancy
• Simplify connectivity
to customer
datacenter
• Provide flexible VM
placement without
reconfiguration
• Decouple server and
network admin roles
to increase agility
• Enforce unified
policy across entire
datacenter from a
single management
plane
To Workload Owners To Enterprises To Hosters
To Private/Public
Cloud Datacenter
Admins
DHCP
failover
Quality of Service
SMB
Multichannel
Embrace a multi-
vendor ecosystem
Provide consistent
bandwidth for
services
Run services
without
interruption
22
Automatically
remediate issues
with no human
intervention NIC Teaming
SMB
client
SMB
server
File
copy
NIC NIC
NIC NIC
File
copy
• Automatic detection and use of multiple network
connections between SMB client and server
• Helps server applications be resilient to network
failure
• Transparent Failover with recovery of network
failure if another connection is unavailable
• Improved throughput
• Bandwidth aggregation through NIC
Teaming
• Multiple nodes/CPUs for network
processing with RSS-capable network
adapters
• Automatic configuration with very little
administrative overhead
23
• Automatic DHCP failover based on DHCP
failover IETF spec
• Provides multi-site IP address continuity to
clients by helping eliminate single points of
failure
• Provides in-box support for
failover, without the need for clustering
• Uses a failover setup consisting of two
servers located across different geographic
locations
• Includes active/active or active/passive
behavior
• Simple provisioning and configuration of
DHCP server using PowerShell
24
Hot standby
DHCP failover in a
hub-and-spoke
deployment
Load-sharing
DHCP failover in a
single site with a
single subnet
• Helps guarantee predictable network
performance and fair sharing during congestion
• Supports bandwidth floors and bandwidth caps
• Helps enforce customer SLAs and maximum
pricing caps
• Sets QoS for virtual machine or traffic type
• Uses software built into Windows Server 2012 R2
Preview or hardware capable of Data Center
Bridging (DCB) to assign minimum QoS settings
• Supports dynamic change of QoS settings
through PowerShell without any downtime
25
Runtime
bandwidth
demand (gigabits
per second)
Service Reservation T1 T2 T3
Virtual
machine
30% 4 4 2
Storage 40% 5 5 6
Live
migration
20% 0 3 2
Cluster
Shared
Volume
10% 0.5 1 0
T2
3
4
1
T3
2
6
2
T1
4
5
0.5
Actual bandwidth
usage by service
When
bandwidth is
available, each
service takes as
much as it can
When the link
is congested,
each service
takes its fair
share
When bandwidth
becomes
available, each
service takes as
much as it wants
2
Virtual
adapters
Virtual
adapters
Team network
adapter
Team network
adapter
• Provides network fault tolerance and
continuous availability when network adapters
fail by teaming multiple network interfaces
• Supports all vendors in-box
• Facilitates local or remote management
through Windows PowerShell or UI
• Enables teams of up to 32 network adapters
• Aggregates bandwidth from multiple network
adapters
• Includes multiple nodes: switch dependent
and independent
Virtual
adapters
Virtual
adapters
Team network
adapter
Team network
adapter
 TCP streams or "flows” are
generally not continuous
 Groups of packets sent between
flows are called “flowlets”
 Dynamic load balancing detects
breaks in a flow of sufficient
length to minimize possibility
of packet reordering
 Flows can be moved to other
team members on flowlet
boundaries to rebalance traffic
 Dynamic LBFO maximizes
resource utilization in teamed
NICs by balancing loads across
all NIC team members
 Ideal when there are fewer
VMs per team
28
File Client
SMB
Buffer
File Server
With RDMA
29
Without RDMA
App
Buffer
SMB
Buffer
OS
Buffer
Driver
Buffer
SMB
Buffer
OS
Buffer
Driver
Buffer
App
Buffer
SMB
Buffer
rNICrNIC NIC Adapter
BufferNICAdapter
Buffer
Adapter
Buffer
Adapter
Buffer
iWARP
InfiniBand
• Higher performance through offloading of
network I/O processing onto network adapter
• Higher throughput with low latency and ability
to take advantage of high-speed networks
(such as InfiniBand and iWARP)
• Remote storage at the speed of direct storage
• Transfer rate of around 50 Gbps on a single
NIC port
• Compatible with SMB Multichannel for load
balancing and failover
Without VMQ
• Hyper-V Virtual Switch is responsible for
routing & sorting packets for VMs
• This leads to increased CPU processing, all
focused on CPU0
With VMQ
• Physical NIC creates virtual network
queues for each VM to reduce host CPU
With Dynamic VMQ
• Processor cores dynamically allocated for
a better spread of network traffic
processing
Increased efficiency of
network processing on
Hyper-V hosts Hyper-V Host Hyper-V Host Hyper-V Host
• vRSS provides near line rate to a VM on
existing hardware, making it possible to
virtualize traditionally network intensive
physical workloads
• Extends the RSS functionality built into
Windows Server 2012
• Maximizes resource utilization by
spreading VM traffic across multiple
virtual processors
• Helps virtualized systems reach higher
speeds with 40 Gbps and 100 Gbps NICs
• Requires no hardware upgrade and
works with any NICs that support RSS
Node 0 Node 1 Node 2 Node 3
2
2
3
3
1
1
0
0
Incoming
packets
vProc
vProc
vProc
vProc
vNIC
32
• VM traffic bypasses virtual switch and performs I/O
directly to NIC
• Ideal for high I/O workloads that do not require port
policies, QoS, or network virtualization enforced at the
end host virtual switch
• Most 10Gbps and in-box NICs SR-IOV capable
Benefits
• Maximizes use of host system processors and memory
• Reduces host CPU overhead for processing network
traffic (by up to 50%)
• Reduces network latency (by up to 50%)
• Provides higher network throughput (by up to 30%)
• Full support for Live Migration
Host
Virtual Machine
VM Network Stack
Synthetic NIC
Hyper-V
Extensible Switch
SR-IOV NIC VF
Virtual Function
VFVF
33
Provide an
easy-to-use,
robust automation
framework
Monitor
resource usage
Manage IP
address space and
consolidate
external tools
Simplify
management in
multisite
environments
Management
with Virtual
Machine
Manager
IP Address
Management
Windows
PowerShell
Resource
Metering
Monitoring with Operations Manager
34
IPAM distributed architecture
Domain
europe.corp.woodbridge.com
IPAMServer
(UK)
DHCP,DNS, DC,
and NPS servers
IPAMServer
(Bangalore)
DHCP,DNS, DC, a
nd NPSservers
Domain
fareast.corp.woodbridge.com
IPAMServer
(Hyderabad)
DHCP,DNS, DC, a
nd NPSservers
Site:Hyderabad
Branch office
Site:Bangalore
Branch office
Site:UK
Branch office
IPAMserver
(Redmond)
DHCP,DNS, DC,
and NPS servers
Site:Redmond
Head office
• Inbox feature for integrated management of IP
addresses, domain names, and device identities
• Tightly integrates with Microsoft DNS and
DHCP servers
• Provides custom IP address space display,
reporting, and management
• Audits server configuration changes and tracks
IP address use
• Migrates IP address data from spreadsheets or
other tools
• Monitors and manages specific scenario-based
DHCP and DNS services
35
• Manages virtual address space in addition to
physical address space
• Imports and exports network configurations
automatically through plugin for System Center
Virtual Machine Manager
• Enables synchronization of Active Directory
Sites and subnets information with IPAM
• Supports large scale enterprise deployments
• Uses SQL Server to store IP address information
• Lets admins define user roles, access scope and
access policy through role-based access control
Data collection tasks
Network Administrator
Fabric Administrator
System Administrator
Forensics Investigator
SecurityGroups
Comprehensive coverage with more than 400 cmdlets related to
networking
36
Remote machine management support
Integrated object model
37
Metrics
A two-tenant environment built with
Hyper-V in Windows Server 2012 R2
Preview
• Average CPU use
• Average memoryuse
• Minimum memoryuse
• Maximummemory use
• Maximumdisk allocation
• Incoming network traffic
• Outgoing network traffic
• Storage IOPS
Virtual Machine
Resource Metering
20 10
Resource Pool Internet
Resource Metering
10 5
3045 2540
Resource pool
Internet
Customer2
30 55
Resource pool
Internet
Customer1
0
0 0
0
Benefits
• Tracks and meters resource
usage and provides
infrastructureto build
chargeback solutions
• Tracks resource usage of
individual virtual machines
or virtual machine pools
• Metering not affected by
virtual machine movement
• Uses active control lists
(ACLs) from network
metering port
• Provides complete Windows
PowerShell support
1015202530354045505152025
Server or client with
Microsoft Message
Analyzer
Windows Server
2012 R2
WMI to configure the filters and truncation
WMI starts/stops the session
Truncated network traffic redirected
ETW events
Remote Live Monitoring provides remote packet and
ETW event capture from any host in the datacenter,
enabling low-touch diagnostics at high scale
• Remote monitoring of network traffic on a
in Windows Server 2012 is not simple
• Windows Server 2012 R2 Preview makes it
easy to mirror and capture network traffic
for remote and local viewing
• Provides integrated GUI experience
with Message Analyzer
• Collects offline traffic captures from
remote computers
• Provides filters to select packets by IP
addresses and VMs
• Captures ETW events for remote and
local viewing
39
Seamlessly extend Datacenter to Azure
Inbox Gateway to extend beyond private cloud
Extending your private cloud to hosters
Extending your private cloud to Azure
Cross-premises connectivity
VPN site-to-sitetunnel
IKEv2-IPsec
VPN site-to-sitetunnel
IKEv2-IPsec
VPN site-to-sitetunnel
IKEv2-IPsec
Hosted Cloud
Contoso
private
cloud
Woodgrove
private
cloud
Subnet1
Subnet2
Subnet1
Subnet2
Contoso
London
branch
Subnet3
Contoso
New York
branch
Subnet4
Woodgrove
Brazilian
branch
Subnet3
Subnet4
WindowsServer2012 R2
Previewremoteaccess
site-to-siteVPN server
Industrystandard
IKEv2-IPsecrouter
40
VPN site-to-site functionality in
remote access:
• Provides cross-premises connectivity
between enterprises and hosting service
providers
• Connects to private subnets in hosted
cloud networks
• Provides connectivity among
geographically separate enterprises
Orange
Corp site1
Orange
Corp site2
S2S Tunnel
S2S Tunnel
S2S Tunnel
S2S Tunnel
S2S Tunnel
Orange Virtual
Network
Blue
GW
Green
GW
Orange
GW
 Includes Site-to-site (S2S)
VPN as part of Remote
Access Server
 Requires Windows Network
Virtualization
 Needs one VM per tenant for
the gateway
Orange
Corp site1
Orange
Corp site2
S2S Tunnel
Orange Virtual
Network
BGP
Active-Standby
 Provides multitenant S2S
gateway
 Includes guest clustering for
HA
 Uses BGP for dynamic routes
update
 Provides multitenant-aware
NAT for Internet access
Virtual Network
Your datacenter
On premises
43
Subnet 1 Subnet 2 Subnet 3 DNS
Server
Individualcomputers
behind corporate
firewall
VPN
Gateway
VPN
Device
Site-to-Site
VPN
Remote workers
VPN
Device
 Extend your datacenter
to Azure by creating VMs
in private networks
 Connect individual
computers to Azure VMs
and virtual networks using
Point to Site connectivity
without VPN device
 Windows inbox gateway to
connect virtual networks in
private cloud and Azure
Advancing
Software Defined
Networking
Simplifying
Datacenter
Network
management
Improving
Network
Performance
Delivering
Continuously
Available
Applications
44
Networking in the
Hybrid Cloud
DOWNLOAD
Windows Server
2012 R2 Preview
aka.ms/ws2012r2
#WS2012R2JS
DOWNLOAD
System Center
2012 R2 Preview
aka.ms/sc2012r2
Hands-On Labs
http://www.microsoftvirtualacademy.com
System Center 2012 R2 Jumpstart
July 15th - http://aka.ms/SCR2JS

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Windows Server 2012 R2 Jump Start - Networking

  • 2. Day 1 Introducing Windows Server 2012 R2 Server Virtualization in Windows Server 2012 R2 Cloud Optimized Networking in Windows Server 2012 R2 Storage in Windows Server 2012 R2 Day 2 Server Management & Automation with Windows Server 2012 R2 VDI with Windows Server 2012 R2 Access & Information Protection with Windows Server 2012 R2 Web Application & Platform with Windows Server 2012 R2 Cloud Optimized Networking in Windows Server 2012 R2
  • 3. DOWNLOAD Windows Server 2012 R2 Preview aka.ms/ws2012r2 #WS2012R2JS DOWNLOAD System Center 2012 R2 Preview aka.ms/sc2012r2 Hands-On Labs http://www.microsoftvirtualacademy.com System Center 2012 R2 Jumpstart July 15th - http://aka.ms/SCR2JS
  • 5. 5 Delivering Continuously Available Applications Advancing Software Defined Networking Hyper-V Extensible Switch Hyper-V Network Virtualization DHCP FailoverSMB Multichannel Quality of Service Simplifying Datacenter Network Management IP Address Management (IPAM) Remote Live capture Network Management using Virtual Machine Manager Network Monitoring using Operations Manager Microsoft Windows PowerShell Networking in the Hybrid Cloud Extending to Azure Extending to Service Providers Cross premise connectivity Improving Network Performance vRSS Single Root I/O Virtualization (SR-IOV) NIC Teaming SMB Direct (RDMA) Dynamic VMQ Inbox HNV Gateway Virtual Machine Manager Enhancements
  • 6. Open, Extensible and Standards based Built-in and production ready Innovation in software and hardware Hyper-V Network Virtualization Hyper-V Extensible Switch 6 Inbox Gateway Management with System Center Virtual Machine Manager
  • 7. 7 BACKGROUND • Network virtualization lags behind compute and storage • Administration within the data center may be soiled THE CHALLENGES • Physical network configuration is not flexible • Workloads tied to underlying hardware configurations • Configuration changes are manual and cumbersome • Diverse network infrastructure requires vendor-specific management and control • Greater VM mobility and density difficult to achieve VLAN tags Aggregation Switches VMs ToRToR
  • 8. 8 Enables software to dynamically manage the network by: Enabling integrated policies that span physical and virtual networks Abstracting workloads from the physical network Controlling datacenter traffic flow
  • 9. Host NIC 9 Hyper-V Extensible Switch architecture • Extends virtual switch functionality by adding switch extensions • Provides open platform supporting third-party plug-ins to add functionality • Lets customers manage virtual network the same way they would manage a physical network • Helps monitor the security of virtual machine to virtual machine traffic • Provides unified management and enforcement of plug-ins with Virtual Machine Manager across entire datacenter • Includes NDIS filter drivers, WFP callout drivers, Ingress filtering, Destination lookup and forwarding and Egress filtering extensions Parent Partition Extension C Extension D Extension A Extension Miniport Extension Protocol Virtual Switch Capture Extensions Filtering Extensions Forwarding Extension VM NIC VM NIC Virtual Machine Virtual Machine Physical NIC
  • 10. Host NIC 10 Hyper-V Extensible Switch architecture Parent Partition Extension C Extension D Extension A Extension Miniport Extension Protocol Virtual Switch Capture Extensions Filtering Extensions Forwarding Extension VM NIC VM NIC Virtual Machine Virtual Machine Physical NIC Key Features • Extension monitoring & uniqueness • Extensions that learn VM life cycle • Extensions that can veto state changes • Multiple extensions on same switch Several Partner Solutions Available • Cisco – Nexus 1000V & UCS-VMFEX • NEC – ProgrammableFlow PF1000 • 5nine – Security Manager • InMon - SFlow Build Extensions for Capturing, Filtering & Forwarding
  • 11. How network virtualization works • Overlays multiple virtual networks on shared physical network • Uses industry standard General Routing Encapsulation (NVGRE) protocol Problems solved • Creates VM mobility across datacenter, hoster cloud or Azure without network constraints • Provides ability to import customer IP addresses and network topology • Helps remove VLAN constraints • Helps eliminate hierarchical IP address assignment for virtual machines 11 Physical server Physical network Blue virtual machine Yellow virtual machine Blue network Yellow network
  • 12. • Tenants with overlapping IP Address range share same physical network • Policies enforced at host level using PowerShell or System Center Virtual Machine Manager • DHCP servers can be part of virtualized network to enable locally assigned IP addresses • Supports guest clustering SQL Server Web Orange sees SQL Server Web Blue sees SQL Server SQL Server Web Web 192.168.2.12192.168.1.10 10.1.1.1 192.168.1.10 10.1.1.2 192.168.2.12 What’s really happening 192.168.n.n PROVIDER ADDRESS SPACE (PA) 10.1.1.1 192.168.1.10 10.1.1.2 192.168.2.12 10.1.1.210.1.1.1 10.1.1.1 10.1.1.2 CUSTOMER ADDRESS SPACE 10.1.1.1 192.168.1.10 10.1.1.2 192.168.2.12 10.1.1.1 192.168.1.10 10.1.1.2 192.168.2.12 10.1.1.1 192.168.1.10 10.1.1.2 192.168.2.12 10.1.1.1 192.168.1.10 10.1.1.2 192.168.2.12 10.1.1.1 10.1.1.2 10.1.1.1 10.1.1.2 12
  • 13. IP Virtualization Policy Enforcement Routing Hyper-V Switch VSID ACL Enforcement Network Virtualization Packet Flow Blue1 sending to Blue2 Network Virtualization ARP TABLE 34:29:af:c7:d9:1210.10.10.11 34:29:af:c7:d9:12 IP Virtualization Policy Enforcement Routing Hyper-V Switch VSID ACL Enforcement Network Virtualization
  • 14. IP Virtualization Policy Enforcement Routing Hyper-V Switch VSID ACL Enforcement Network Virtualization IP Virtualization Policy Enforcement Routing Hyper-V Switch VSID ACL Enforcement Network Virtualization Network Virtualization Packet Flow Blue1 sending to Blue2 MACB1 -> MACB2 10.10.10.10 -> 10.10.10.11 5001 MACB1 -> MACB2 10.10.10.10 -> 10.10.10.11 MACP1 -> MACP2 192.168.2.10 -> 192.168.5.12 5001 MACB1 -> MACB2 10.10.10.10 -> 10.10.10.11
  • 15. Challenges • Hoster wants to provide isolated networks for tenant VMs with integral S2S VPN and NAT • Enterprises have virtualized networks split across different datacenters or virtualized networks (NVGRE aware) communicating to physical networks (NVGRE unaware) Solution • Multi-tenant VPN gateway in Windows Server 2012 R2 Preview • Integral multitenant edge gateway for seamless connectivity • Guest clustering for high availability • BGP for dynamic routes update • Encaps/Decaps NVGRE packets • Multitenant aware NAT for Internet access Host Datacenter Network Virtualization Fabric HostHost Internet FabrikamContoso Multi-tenant VPN Gateway Bridge Between VM Networks & Physical Networks
  • 16. 16 What it means: • Provides ability to control physical network hardware directly from applications • Enforces routing policies on the fly • Requires programmable hardware that uses a standard protocol like OpenFlow, Cisco OnePK and so on. Challenges: • Adds complexity to the application • Creates challenges in heterogeneous environment Is it production ready? • Applicable to certain classes of applications like Microsoft Lync, Network diagnostic tools, high fidelity video games • Most Line of Business applications and workloads may not need this level of control Aggregation Switches ToRToR VM VM Application Application
  • 17. Challenges Manage a large number of physical and virtual switches Integrate management of physical and virtual networks Solution Logical Network Organizes and simplifies network assignments for hosts, virtual machines and services Integrated physical and virtual switch VLAN policy VM Network Creation/deletion of isolated virtual network overlay (HNV) on physical network
  • 18. Challenges Allow seamless migration of VM while maintaining network policy Solution Logical Switch Single logical entity spanning hosts Consistent policy and configuration Management of Hyper-V Extensible Switch Installation and configuration of switch extensions Configuration of network policies Network policies automatically move with the VM Includes 3rd party extensions
  • 19. Communicating using WS-MAN OMI OMI OMI How switch management works Standards-based CIM model Switches running Open Management Infrastructure (OMI) Switch Management PowerShell Cmdlets Problems solved Common management interface across multiple network vendors Automate common network management tasks Logo Program enables customers to find/buy switches that “just work”
  • 21. • Migrate workloads seamlessly across clouds • Preserve policies, VM settings, and IP addresses • Move from test to production with minimal network configuration • Reduce Opex related to networking • Simplify datacenter consolidation and mergers and acquisitions • Extend datacenter into hybrid cloud environment without specialized networking gear • Enables customers to bring their own IP addresses and DHCP servers • Realize scalable multi-tenancy • Simplify connectivity to customer datacenter • Provide flexible VM placement without reconfiguration • Decouple server and network admin roles to increase agility • Enforce unified policy across entire datacenter from a single management plane To Workload Owners To Enterprises To Hosters To Private/Public Cloud Datacenter Admins
  • 22. DHCP failover Quality of Service SMB Multichannel Embrace a multi- vendor ecosystem Provide consistent bandwidth for services Run services without interruption 22 Automatically remediate issues with no human intervention NIC Teaming
  • 23. SMB client SMB server File copy NIC NIC NIC NIC File copy • Automatic detection and use of multiple network connections between SMB client and server • Helps server applications be resilient to network failure • Transparent Failover with recovery of network failure if another connection is unavailable • Improved throughput • Bandwidth aggregation through NIC Teaming • Multiple nodes/CPUs for network processing with RSS-capable network adapters • Automatic configuration with very little administrative overhead 23
  • 24. • Automatic DHCP failover based on DHCP failover IETF spec • Provides multi-site IP address continuity to clients by helping eliminate single points of failure • Provides in-box support for failover, without the need for clustering • Uses a failover setup consisting of two servers located across different geographic locations • Includes active/active or active/passive behavior • Simple provisioning and configuration of DHCP server using PowerShell 24 Hot standby DHCP failover in a hub-and-spoke deployment Load-sharing DHCP failover in a single site with a single subnet
  • 25. • Helps guarantee predictable network performance and fair sharing during congestion • Supports bandwidth floors and bandwidth caps • Helps enforce customer SLAs and maximum pricing caps • Sets QoS for virtual machine or traffic type • Uses software built into Windows Server 2012 R2 Preview or hardware capable of Data Center Bridging (DCB) to assign minimum QoS settings • Supports dynamic change of QoS settings through PowerShell without any downtime 25 Runtime bandwidth demand (gigabits per second) Service Reservation T1 T2 T3 Virtual machine 30% 4 4 2 Storage 40% 5 5 6 Live migration 20% 0 3 2 Cluster Shared Volume 10% 0.5 1 0 T2 3 4 1 T3 2 6 2 T1 4 5 0.5 Actual bandwidth usage by service When bandwidth is available, each service takes as much as it can When the link is congested, each service takes its fair share When bandwidth becomes available, each service takes as much as it wants 2
  • 26. Virtual adapters Virtual adapters Team network adapter Team network adapter • Provides network fault tolerance and continuous availability when network adapters fail by teaming multiple network interfaces • Supports all vendors in-box • Facilitates local or remote management through Windows PowerShell or UI • Enables teams of up to 32 network adapters • Aggregates bandwidth from multiple network adapters • Includes multiple nodes: switch dependent and independent
  • 27. Virtual adapters Virtual adapters Team network adapter Team network adapter  TCP streams or "flows” are generally not continuous  Groups of packets sent between flows are called “flowlets”  Dynamic load balancing detects breaks in a flow of sufficient length to minimize possibility of packet reordering  Flows can be moved to other team members on flowlet boundaries to rebalance traffic  Dynamic LBFO maximizes resource utilization in teamed NICs by balancing loads across all NIC team members  Ideal when there are fewer VMs per team
  • 28. 28
  • 29. File Client SMB Buffer File Server With RDMA 29 Without RDMA App Buffer SMB Buffer OS Buffer Driver Buffer SMB Buffer OS Buffer Driver Buffer App Buffer SMB Buffer rNICrNIC NIC Adapter BufferNICAdapter Buffer Adapter Buffer Adapter Buffer iWARP InfiniBand • Higher performance through offloading of network I/O processing onto network adapter • Higher throughput with low latency and ability to take advantage of high-speed networks (such as InfiniBand and iWARP) • Remote storage at the speed of direct storage • Transfer rate of around 50 Gbps on a single NIC port • Compatible with SMB Multichannel for load balancing and failover
  • 30. Without VMQ • Hyper-V Virtual Switch is responsible for routing & sorting packets for VMs • This leads to increased CPU processing, all focused on CPU0 With VMQ • Physical NIC creates virtual network queues for each VM to reduce host CPU With Dynamic VMQ • Processor cores dynamically allocated for a better spread of network traffic processing Increased efficiency of network processing on Hyper-V hosts Hyper-V Host Hyper-V Host Hyper-V Host
  • 31. • vRSS provides near line rate to a VM on existing hardware, making it possible to virtualize traditionally network intensive physical workloads • Extends the RSS functionality built into Windows Server 2012 • Maximizes resource utilization by spreading VM traffic across multiple virtual processors • Helps virtualized systems reach higher speeds with 40 Gbps and 100 Gbps NICs • Requires no hardware upgrade and works with any NICs that support RSS Node 0 Node 1 Node 2 Node 3 2 2 3 3 1 1 0 0 Incoming packets vProc vProc vProc vProc vNIC
  • 32. 32 • VM traffic bypasses virtual switch and performs I/O directly to NIC • Ideal for high I/O workloads that do not require port policies, QoS, or network virtualization enforced at the end host virtual switch • Most 10Gbps and in-box NICs SR-IOV capable Benefits • Maximizes use of host system processors and memory • Reduces host CPU overhead for processing network traffic (by up to 50%) • Reduces network latency (by up to 50%) • Provides higher network throughput (by up to 30%) • Full support for Live Migration Host Virtual Machine VM Network Stack Synthetic NIC Hyper-V Extensible Switch SR-IOV NIC VF Virtual Function VFVF
  • 33. 33 Provide an easy-to-use, robust automation framework Monitor resource usage Manage IP address space and consolidate external tools Simplify management in multisite environments Management with Virtual Machine Manager IP Address Management Windows PowerShell Resource Metering Monitoring with Operations Manager
  • 34. 34 IPAM distributed architecture Domain europe.corp.woodbridge.com IPAMServer (UK) DHCP,DNS, DC, and NPS servers IPAMServer (Bangalore) DHCP,DNS, DC, a nd NPSservers Domain fareast.corp.woodbridge.com IPAMServer (Hyderabad) DHCP,DNS, DC, a nd NPSservers Site:Hyderabad Branch office Site:Bangalore Branch office Site:UK Branch office IPAMserver (Redmond) DHCP,DNS, DC, and NPS servers Site:Redmond Head office • Inbox feature for integrated management of IP addresses, domain names, and device identities • Tightly integrates with Microsoft DNS and DHCP servers • Provides custom IP address space display, reporting, and management • Audits server configuration changes and tracks IP address use • Migrates IP address data from spreadsheets or other tools • Monitors and manages specific scenario-based DHCP and DNS services
  • 35. 35 • Manages virtual address space in addition to physical address space • Imports and exports network configurations automatically through plugin for System Center Virtual Machine Manager • Enables synchronization of Active Directory Sites and subnets information with IPAM • Supports large scale enterprise deployments • Uses SQL Server to store IP address information • Lets admins define user roles, access scope and access policy through role-based access control Data collection tasks Network Administrator Fabric Administrator System Administrator Forensics Investigator SecurityGroups
  • 36. Comprehensive coverage with more than 400 cmdlets related to networking 36 Remote machine management support Integrated object model
  • 37. 37 Metrics A two-tenant environment built with Hyper-V in Windows Server 2012 R2 Preview • Average CPU use • Average memoryuse • Minimum memoryuse • Maximummemory use • Maximumdisk allocation • Incoming network traffic • Outgoing network traffic • Storage IOPS Virtual Machine Resource Metering 20 10 Resource Pool Internet Resource Metering 10 5 3045 2540 Resource pool Internet Customer2 30 55 Resource pool Internet Customer1 0 0 0 0 Benefits • Tracks and meters resource usage and provides infrastructureto build chargeback solutions • Tracks resource usage of individual virtual machines or virtual machine pools • Metering not affected by virtual machine movement • Uses active control lists (ACLs) from network metering port • Provides complete Windows PowerShell support 1015202530354045505152025
  • 38. Server or client with Microsoft Message Analyzer Windows Server 2012 R2 WMI to configure the filters and truncation WMI starts/stops the session Truncated network traffic redirected ETW events Remote Live Monitoring provides remote packet and ETW event capture from any host in the datacenter, enabling low-touch diagnostics at high scale • Remote monitoring of network traffic on a in Windows Server 2012 is not simple • Windows Server 2012 R2 Preview makes it easy to mirror and capture network traffic for remote and local viewing • Provides integrated GUI experience with Message Analyzer • Collects offline traffic captures from remote computers • Provides filters to select packets by IP addresses and VMs • Captures ETW events for remote and local viewing
  • 39. 39 Seamlessly extend Datacenter to Azure Inbox Gateway to extend beyond private cloud Extending your private cloud to hosters Extending your private cloud to Azure Cross-premises connectivity
  • 40. VPN site-to-sitetunnel IKEv2-IPsec VPN site-to-sitetunnel IKEv2-IPsec VPN site-to-sitetunnel IKEv2-IPsec Hosted Cloud Contoso private cloud Woodgrove private cloud Subnet1 Subnet2 Subnet1 Subnet2 Contoso London branch Subnet3 Contoso New York branch Subnet4 Woodgrove Brazilian branch Subnet3 Subnet4 WindowsServer2012 R2 Previewremoteaccess site-to-siteVPN server Industrystandard IKEv2-IPsecrouter 40 VPN site-to-site functionality in remote access: • Provides cross-premises connectivity between enterprises and hosting service providers • Connects to private subnets in hosted cloud networks • Provides connectivity among geographically separate enterprises
  • 41. Orange Corp site1 Orange Corp site2 S2S Tunnel S2S Tunnel S2S Tunnel S2S Tunnel S2S Tunnel Orange Virtual Network Blue GW Green GW Orange GW  Includes Site-to-site (S2S) VPN as part of Remote Access Server  Requires Windows Network Virtualization  Needs one VM per tenant for the gateway
  • 42. Orange Corp site1 Orange Corp site2 S2S Tunnel Orange Virtual Network BGP Active-Standby  Provides multitenant S2S gateway  Includes guest clustering for HA  Uses BGP for dynamic routes update  Provides multitenant-aware NAT for Internet access
  • 43. Virtual Network Your datacenter On premises 43 Subnet 1 Subnet 2 Subnet 3 DNS Server Individualcomputers behind corporate firewall VPN Gateway VPN Device Site-to-Site VPN Remote workers VPN Device  Extend your datacenter to Azure by creating VMs in private networks  Connect individual computers to Azure VMs and virtual networks using Point to Site connectivity without VPN device  Windows inbox gateway to connect virtual networks in private cloud and Azure
  • 45. DOWNLOAD Windows Server 2012 R2 Preview aka.ms/ws2012r2 #WS2012R2JS DOWNLOAD System Center 2012 R2 Preview aka.ms/sc2012r2 Hands-On Labs http://www.microsoftvirtualacademy.com System Center 2012 R2 Jumpstart July 15th - http://aka.ms/SCR2JS